Expedited ReviewA Risk Score to Predict In-Hospital Mortality for Percutaneous Coronary Interventions
Section snippets
Database and study population
The New York State Percutaneous Coronary Intervention Reporting System is a population-based registry that collects detailed information on each patient’s demographic characteristics, pre-procedural risk factors, complications, and discharge status. The risk score system was derived from all 46,090 patients who underwent PCI procedures in 41 hospitals in New York State and were discharged in 2002. It was validated using data from all 50,046 PCI patients who were discharged from New York State
Results
A total of 46,090 PCI procedures were performed in 41 hospitals in New York State in 2002; a total of 321 (0.70%) patients died during their hospital stay. Table 1presents the logistic regression model that was developed to predict in-hospital death using 2002 PCI data. There were nine significant risk factors in the model. Age was represented as a continuous variable, number of years >55; its odds ratio (OR) of 1.07 means that a patient who was over 55 years was 1.07 times likely to die in the
Discussion
In this study, a risk score system for predicting the risk of in-hospital mortality for PCI was developed based on the data of 46,090 procedures performed New York in 2002. The system was then validated using data collected from 50,046 procedures in 2003. This study had the advantage of using the data collected by a well-established population-based registry, the New York State Percutaneous Coronary Intervention Reporting System, whose accuracy of data is maintained by continuous auditing of
Acknowledgments
The authors would like to thank Kenneth Shine, MD, the Chair of New York State’s Cardiac Advisory Committee (CAC), and the remainder of the CAC for their encouragement and support of this study; and Paula Waselauskas, Donna Doran, Kimberly Cozzens, and the 45 participating hospitals for their tireless efforts to ensure the timeliness, completeness, and accuracy of the registry data.
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